Patents Assigned to Display Technologies
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Patent number: 7663587Abstract: A liquid crystal display device has a gradation display function of at least an n-number of gray levels and has a viewing angle characteristic of Mi/Mj?1.3 in a case where a display luminance range in a normal direction to a display surface in a gradation range of predetermined gray levels i to j is Li to Lj and a display luminance range in an oblique viewing-angle direction of 30° or more is Mi to Mj (where n, i and j are real numbers, and n?i>j?0). The liquid crystal display device has a display mode in which a display image is displayed with a display luminance range of the display image being limited to Li to Lj.Type: GrantFiled: August 30, 2006Date of Patent: February 16, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Yoshitaka Yamada, Ryoichi Watanabe, Masaki Kinoshita, Yoshihiro Watanabe, Sadayasu Fujibayashi, Norihiro Yoshida
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Patent number: 7663719Abstract: A liquid crystal display panel structured such that a liquid crystal layer is held between paired electrode substrates, comprises a support base member of a nearly rectangular shape provided in at least one of the paired electrode substrates, a counter electrode supported by the support base member, and an alignment film which is located within a surface of the counter electrode in contact with the liquid crystal layer. The rubbing direction of the alignment film is parallel to one side of the support base member and the counter electrode has a nonlinear edge extending in the rubbing direction of the alignment film.Type: GrantFiled: March 24, 2006Date of Patent: February 16, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Kenji Nakao, Shinji Ogawa, Yoshinori Yamamoto
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Publication number: 20100032392Abstract: A product display unit for a displaying a plurality of products thereon is disclosed. The product display unit comprises a bottom member, a first rib, and a second rib. The bottom member includes a product-supporting surface. The first rib projects upwardly from the product-supporting surface and extends longitudinally along the bottom member. The second rib projects upwardly from the product-supporting surface and extends longitudinally along the bottom member, such that a distance is defined between the first rib and the second rib. The distance between the first rib and the second rib is dimensioned to be less than the widest portion of a product configured to be supported by the bottom member between the first rib and the second rib.Type: ApplicationFiled: June 10, 2009Publication date: February 11, 2010Applicant: Display TechnologiesInventors: Anthony Camello, Eric Neumann, Bruce Gommermann
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Publication number: 20100032391Abstract: A product display unit comprising a first side wall, a second side wall, and at least one securing structure is disclosed. Each of the first and second side walls comprise at least one rail extending laterally therefrom and the side walls define a distance therebetween. An upper surface of the rail is configured to support a portion of a product. At least one securing structure is disposed in mechanical cooperation with the first side wall. The securing structure comprises a plurality of securing portions disposed in mechanical cooperation therewith. The securing structure is configured to allow the distance between the first side wall and the second sidewall to be adjustable.Type: ApplicationFiled: May 14, 2009Publication date: February 11, 2010Applicant: Display TechnologiesInventors: Raymond M. Schneider, Daniel C. Riley, Eric Neumann
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Publication number: 20100032662Abstract: A method of forming an organic thin film transistor comprising: providing a structure comprising source and drain electrodes with a channel region therebetween, a gate electrode, and a dielectric layer disposed between the source and drain electrodes and the gate electrode; and patterning the dielectric layer using the source and drain electrodes as a mask to form a region of dielectric material in the channel region which is thinner than regions of dielectric material adjacent the channel region.Type: ApplicationFiled: April 3, 2008Publication date: February 11, 2010Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LTD.Inventors: Gregory Whiting, Jonathan J. Halls
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Patent number: 7659960Abstract: An LCD (liquid-crystal display) device comprising: first and second substrates; a liquid-crystal layer formed of a liquid crystal material and sandwiched as held between the substrates; spherical spacers arranged between the substrates; and recesses on surfaces contacting the liquid-crystal layer, of the substrates; and each of the spherical spacers being placed in respective one of the recesses. A manufacturing method of the LCD device comprising: forming recesses distributed on a main face of either of the first and second substrates; and preparing a plurality of spherical spacers on said recesses.Type: GrantFiled: January 25, 2006Date of Patent: February 9, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Takashi Doi, Daisuke Miyazaki
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Publication number: 20100026725Abstract: This invention generally relates to methods, apparatus and computer program code for improved OLED (organic light emitting diode) display drive systems, in particular to compensate for burn-in. A method of compensating an OLED display device for burn-in of pixels of the OLED display, the method comprising: measuring a first voltage drop across at least one test pixel of the display; measuring a second voltage drop across at least one other pixel of the display; determining, from said first and second voltages and a from value (V1) representing a drive voltage increase for a loss in efficiency of said display due to burn-in, an estimated reduction in efficiency of said display due to burn-in; and compensating a drive to said display using said estimated efficiency reduction.Type: ApplicationFiled: August 30, 2007Publication date: February 4, 2010Applicant: Cambridge Display Technology LimitedInventor: Euan Smith
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Publication number: 20100029886Abstract: A device comprising an electroluminescent copolymer comprising a light-emitting repeat unit in the polymer backbone and wherein the repeat unit is conjugatively separate from the polymer backbone.Type: ApplicationFiled: July 31, 2009Publication date: February 4, 2010Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMITOMO CHEMICAL COMPANY LIMITED, SUMATION COMPANY LIMITEDInventor: Annette Steudel
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Publication number: 20100025703Abstract: A conductive polymer composition comprising a conductive polymer in a solid polyelectrolyte.Type: ApplicationFiled: December 23, 2005Publication date: February 4, 2010Applicants: Cambridge Display Technology Limited, CDT OXFORD LIMITEDInventors: Carl Towns, Andrew Bruce Holmes, Mary McKiernan
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Patent number: 7655889Abstract: A display device has a predetermined display region and includes an array substrate equipped with a drive circuit, and a light sensor for measuring outside illuminance and a temperature sensor both installed on the array substrate. A control method for the display device includes using the light sensor to measure outside illuminance and using an output of the temperature sensor to correct an output of the light sensor, thereby adjusting luminance in the display region. The display device may further include an opposed substrate in opposition to the array substrate, a liquid crystal layer sandwiched between the two substrates to form the predetermined display region, and a backlight, thereby constituting a liquid crystal display device.Type: GrantFiled: May 23, 2007Date of Patent: February 2, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Takashi Nakamura, Hirotaka Hayashi, Norio Tada, Hiroki Nakamura
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Publication number: 20100019231Abstract: This invention generally relates to organic electronic devices and to methods for their fabrication. More particularly we will describe organic thin film transistor (TFT) structures and their fabrication. An organic electronic device, the device comprising: a substrate supporting a first electrode; a spacer structure over said substrate; a second electrode over said spacer structure and at a height above said first electrode; and a layer of organic semiconducting material over said first and second electrodes to provide a conducting channel between said first and second electrodes; and wherein a majority of said first electrode is laterally positioned to one side of said channel and a majority of said second electrode is laterally positioned to the other side of said channel.Type: ApplicationFiled: August 30, 2007Publication date: January 28, 2010Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Euan C. Smith, Gregory L. Whiting
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Publication number: 20100014026Abstract: A back light unit includes a light guide plate having a rectangle shape with first and second edges and a light source having a light element to emit light to a first edge of the light guide plate. The light guide plate emits the incident light from the light source to a liquid crystal display panel as a flat light source. An elastic frame is integrally formed with first and second frame elements in a rectangle shape so as to surround the light guide plate. The light source includes a metal frame clipped by a clip shape implemented provided in the first frame element. The first edge facing the second edge of the light guide plate is fitted to the metal frame. The second edge of the light guide plate is fitted to a second frame element having a clip portion for clipping the light guide plate.Type: ApplicationFiled: July 9, 2009Publication date: January 21, 2010Applicant: Toshiba Matsushita Display Technology Co., LtdInventor: Kaoru INOUE
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Patent number: 7646359Abstract: There is disclosed a flat display unit which can obtain color signals adapted to a pixel arrangement. The unit has a gate drive circuit and a source drive circuit. Among R, G, B input video signals, a G signal is regarded as a color signal of a reference, R and B signals are regarded as second and third color signals, a plurality of samples of the R signal are multiplied by coefficients and synthesized to generate a first interpolation color signal R?, a plurality of samples of the B signal are multiplied by coefficients and synthesized to generate a second interpolation color signal B?. The R?, B? and G signal are successively selected and supplied to the source drive circuit.Type: GrantFiled: September 21, 2005Date of Patent: January 12, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventor: Kimio Anai
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Patent number: 7645631Abstract: There is provided a method of manufacturing an organic EL display including an insulating substrate, a power supply terminal, a plurality of pixels arrayed on the substrate and each including an organic EL element and a pixel circuit, and an organic planarizing film covering the pixel circuits and interposed between the organic EL elements and the substrate, including selecting a pixel which can be recognized as a dark spot and/or a bright spot from the pixels, and irradiating, of the pixel circuit included in the selected pixel, a portion located between the organic planarizing film and the substrate with an energy beam through the substrate to electrically disconnect the organic EL element included in the selected pixel from the power supply terminal.Type: GrantFiled: July 27, 2005Date of Patent: January 12, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventor: Ikuo Matsunaga
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Publication number: 20090321752Abstract: A process for manufacturing an electrical device, the process comprising the steps: providing a substrate; bringing a stamp into contact with the substrate whereby areas of the substrate contacted by the stamp have decreased wettability; and depositing a liquid comprising an electrically active material over areas of the substrate located between the areas of decreased wettability.Type: ApplicationFiled: April 4, 2007Publication date: December 31, 2009Applicants: Cambridge Display Technology Limited, Cambridge Enterprise Ltd.Inventors: Zi-Jian Zheng, Wilhelm Huck, Richard Friend, Jonathan Halls, Jeremy Burroughes
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Patent number: 7639229Abstract: A liquid crystal display apparatus comprises a liquid crystal display panel, a temperature sensor which detects temperature of the liquid crystal display panel, and a controller which controls a voltage applied to the liquid crystal display panel. The controller sets a black-insertion ratio to 0% and changes the voltage applied in white-display mode to a voltage equal to or higher than the critical voltage, or sets a black-insertion ratio to a finite value and changes the voltage applied in the white-display mode to a voltage lower than the critical voltage, in accordance with the temperature detected by the temperature sensor.Type: GrantFiled: October 31, 2006Date of Patent: December 29, 2009Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Yukio Tanaka, Kenji Nakao
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Patent number: 7639215Abstract: A display executes a first reset operation during a blanking period, and second and third reset operations and a write operation during each selection period. The first reset operation includes connecting a current source to a precharge circuit and writing a first reset signal into the precharge circuit. The second reset operation includes connecting the current source to a drive circuit of a pixel and writing a second reset signal into the drive circuit to set a potential of a video signal line at a first potential. The third reset operation includes disconnecting the video signal line from the current source and making the precharge circuit output a reset current to the video signal line for a given length of time to shift the potential of the video signal line from the first potential to a second potential.Type: GrantFiled: March 23, 2006Date of Patent: December 29, 2009Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventor: Yoshiro Aoki
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Publication number: 20090315023Abstract: A composition for use in the manufacture of an opto-electrical device, the composition comprising: a conductive or semi-conductive organic material; a solvent; and a first additive, wherein the first additive is an alcohol ether having a boiling point lower than 170° C.Type: ApplicationFiled: August 1, 2007Publication date: December 24, 2009Applicant: CAMBRIDGE DISPLAY TECHNOLOGY LIMITEDInventors: Paul Wallace, Simon Goddard
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Publication number: 20090316252Abstract: The apparatus claimed by the invention uses as the display medium colors in the form of colored fluids which are transported by means of transport in a system of compartments within a fluidic chain, whereby they are visible from the direction of an observer only through a single one these compartments (image compartment). Depending on the position of the individual colored fluids, a different color impression is received by the observer. The invention thereby teaches the presence of a fluidic chain in a subpixel and the combination of a plurality of these subpixels in a pixel. The display claimed by the invention consists of a plurality of pixels. With the use of eight colors in connection with an optically created color mixing effect, a color space can be displayed which is sufficient at least for the display of the information typically used on advertising signs.Type: ApplicationFiled: April 21, 2009Publication date: December 24, 2009Applicant: advanced display technology AGInventors: Oliver Muller-Marc, Dieter Jerosch
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Patent number: 7635862Abstract: Anisotropic conductive adhesive has conductive particles dispersed in adhesive and includes hard particles having conductivity, a resin layer that coats the hard particles and a conductive layer that coats the resin layer. A connection structure electrically connects electrodes to each other with the anisotropic conductive adhesive. A connection method includes the steps of causing the anisotropic conductive to intervene between electrodes, applying pressure to the anisotropic conductive adhesive and allowing the adhesive to be solidified.Type: GrantFiled: January 23, 2006Date of Patent: December 22, 2009Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Daijiro Takano, Hikaru Fujita
